Compare commits
7 Commits
example
...
2768009720
| Author | SHA1 | Date | |
|---|---|---|---|
| 2768009720 | |||
| 04af54e7c8 | |||
| 9303fbf5b5 | |||
| 727a974504 | |||
| b3364f0b88 | |||
| 22a74d0b77 | |||
| 8e2e18128b |
18
.gitmodules
vendored
18
.gitmodules
vendored
@@ -1,18 +0,0 @@
|
||||
[submodule "ds3231/ds3231"]
|
||||
path = ds3231/ds3231
|
||||
url = git@git.blackmark.me:avr/ds3231.git
|
||||
[submodule "ds3231/uart"]
|
||||
path = ds3231/uart
|
||||
url = git@git.blackmark.me:avr/uart.git
|
||||
[submodule "ds3231/io"]
|
||||
path = ds3231/io
|
||||
url = git@git.blackmark.me:avr/io.git
|
||||
[submodule "ds3231/flash"]
|
||||
path = ds3231/flash
|
||||
url = git@git.blackmark.me:avr/flash.git
|
||||
[submodule "ds3231/i2c"]
|
||||
path = ds3231/i2c
|
||||
url = git@git.blackmark.me:avr/i2c.git
|
||||
[submodule "ds3231/util"]
|
||||
path = ds3231/util
|
||||
url = git@git.blackmark.me:avr/util.git
|
||||
21
LICENSE
Normal file
21
LICENSE
Normal file
@@ -0,0 +1,21 @@
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020 BlackMark
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is furnished
|
||||
to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice (including the next
|
||||
paragraph) shall be included in all copies or substantial portions of the
|
||||
Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
|
||||
OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||||
OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
22
ds3231.atsln
22
ds3231.atsln
@@ -1,22 +0,0 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Atmel Studio Solution File, Format Version 11.00
|
||||
VisualStudioVersion = 14.0.25420.1
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{E66E83B9-2572-4076-B26E-6BE79FF3018A}") = "ds3231", "ds3231\ds3231.cppproj", "{DCE6C7E3-EE26-4D79-826B-08594B9AD897}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|AVR = Debug|AVR
|
||||
Release|AVR = Release|AVR
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.ActiveCfg = Debug|AVR
|
||||
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.Build.0 = Debug|AVR
|
||||
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.ActiveCfg = Release|AVR
|
||||
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.Build.0 = Release|AVR
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
@@ -1,4 +0,0 @@
|
||||
#pragma once
|
||||
|
||||
#define F_CPU 16'000'000
|
||||
#include <util/delay.h>
|
||||
Submodule ds3231/ds3231 deleted from 8a6170cb10
@@ -1,285 +0,0 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
|
||||
<PropertyGroup>
|
||||
<SchemaVersion>2.0</SchemaVersion>
|
||||
<ProjectVersion>7.0</ProjectVersion>
|
||||
<ToolchainName>com.Atmel.AVRGCC8.CPP</ToolchainName>
|
||||
<ProjectGuid>dce6c7e3-ee26-4d79-826b-08594b9ad897</ProjectGuid>
|
||||
<avrdevice>ATmega328P</avrdevice>
|
||||
<avrdeviceseries>none</avrdeviceseries>
|
||||
<OutputType>Executable</OutputType>
|
||||
<Language>CPP</Language>
|
||||
<OutputFileName>$(MSBuildProjectName)</OutputFileName>
|
||||
<OutputFileExtension>.elf</OutputFileExtension>
|
||||
<OutputDirectory>$(MSBuildProjectDirectory)\$(Configuration)</OutputDirectory>
|
||||
<AssemblyName>DailySafe</AssemblyName>
|
||||
<Name>DailySafe</Name>
|
||||
<RootNamespace>DailySafe</RootNamespace>
|
||||
<ToolchainFlavour>avr-g++-9.1.0</ToolchainFlavour>
|
||||
<KeepTimersRunning>true</KeepTimersRunning>
|
||||
<OverrideVtor>false</OverrideVtor>
|
||||
<CacheFlash>true</CacheFlash>
|
||||
<ProgFlashFromRam>true</ProgFlashFromRam>
|
||||
<RamSnippetAddress>0x20000000</RamSnippetAddress>
|
||||
<UncachedRange />
|
||||
<preserveEEPROM>true</preserveEEPROM>
|
||||
<OverrideVtorValue>exception_table</OverrideVtorValue>
|
||||
<BootSegment>2</BootSegment>
|
||||
<ResetRule>0</ResetRule>
|
||||
<eraseonlaunchrule>0</eraseonlaunchrule>
|
||||
<EraseKey />
|
||||
<avrtool>com.atmel.avrdbg.tool.atmelice</avrtool>
|
||||
<avrtoolserialnumber>J41800099437</avrtoolserialnumber>
|
||||
<avrdeviceexpectedsignature>0x1E950F</avrdeviceexpectedsignature>
|
||||
<com_atmel_avrdbg_tool_stk500>
|
||||
<ToolOptions>
|
||||
<InterfaceProperties>
|
||||
<IspClock>125000</IspClock>
|
||||
</InterfaceProperties>
|
||||
<InterfaceName>ISP</InterfaceName>
|
||||
</ToolOptions>
|
||||
<ToolType>com.atmel.avrdbg.tool.stk500</ToolType>
|
||||
<ToolNumber>
|
||||
</ToolNumber>
|
||||
<ToolName>STK500</ToolName>
|
||||
</com_atmel_avrdbg_tool_stk500>
|
||||
<avrtoolinterface>ISP</avrtoolinterface>
|
||||
<avrtoolinterfaceclock>125000</avrtoolinterfaceclock>
|
||||
<AsfFrameworkConfig>
|
||||
<framework-data xmlns="">
|
||||
<options />
|
||||
<configurations />
|
||||
<files />
|
||||
<documentation help="" />
|
||||
<offline-documentation help="" />
|
||||
<dependencies>
|
||||
<content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.47.0" />
|
||||
</dependencies>
|
||||
</framework-data>
|
||||
</AsfFrameworkConfig>
|
||||
<com_atmel_avrdbg_tool_atmelice>
|
||||
<ToolOptions>
|
||||
<InterfaceProperties>
|
||||
<IspClock>125000</IspClock>
|
||||
</InterfaceProperties>
|
||||
<InterfaceName>ISP</InterfaceName>
|
||||
</ToolOptions>
|
||||
<ToolType>com.atmel.avrdbg.tool.atmelice</ToolType>
|
||||
<ToolNumber>J41800099437</ToolNumber>
|
||||
<ToolName>Atmel-ICE</ToolName>
|
||||
</com_atmel_avrdbg_tool_atmelice>
|
||||
<custom>
|
||||
<ToolOptions>
|
||||
<InterfaceProperties>
|
||||
<IspClock>125000</IspClock>
|
||||
</InterfaceProperties>
|
||||
<InterfaceName>
|
||||
</InterfaceName>
|
||||
</ToolOptions>
|
||||
<ToolType>custom</ToolType>
|
||||
<ToolNumber>
|
||||
</ToolNumber>
|
||||
<ToolName>Custom Programming Tool</ToolName>
|
||||
</custom>
|
||||
<AAFDebugger>
|
||||
<AAFDebugFiles>
|
||||
<DebugFile>
|
||||
<path>\Debug\ds3231.lss</path>
|
||||
<AAFSetting>
|
||||
<Label>Lss Files</Label>
|
||||
<Extention>.lss</Extention>
|
||||
<Regex>^\s*(?<address>[a-f0-9]*):\s*.*$</Regex>
|
||||
<DebugEnabled>true</DebugEnabled>
|
||||
<RegexGroups>address</RegexGroups>
|
||||
<DebuggerExpression>$pc</DebuggerExpression>
|
||||
</AAFSetting>
|
||||
</DebugFile>
|
||||
</AAFDebugFiles>
|
||||
</AAFDebugger>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
|
||||
<ToolchainSettings>
|
||||
<AvrGccCpp>
|
||||
<avrgcc.common.Device>-mmcu=atmega328p</avrgcc.common.Device>
|
||||
<avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
|
||||
<avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
|
||||
<avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
|
||||
<avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
|
||||
<avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
|
||||
<avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
|
||||
<avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
|
||||
<avrgcc.compiler.symbols.DefSymbols>
|
||||
<ListValues>
|
||||
<Value>NDEBUG</Value>
|
||||
</ListValues>
|
||||
</avrgcc.compiler.symbols.DefSymbols>
|
||||
<avrgcc.compiler.directories.IncludePaths>
|
||||
<ListValues>
|
||||
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
|
||||
</ListValues>
|
||||
</avrgcc.compiler.directories.IncludePaths>
|
||||
<avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
|
||||
<avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
|
||||
<avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
|
||||
<avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
|
||||
<avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
|
||||
<avrgcc.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -std=c11</avrgcc.compiler.miscellaneous.OtherFlags>
|
||||
<avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>
|
||||
<avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>
|
||||
<avrgcccpp.compiler.symbols.DefSymbols>
|
||||
<ListValues>
|
||||
<Value>NDEBUG</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.compiler.symbols.DefSymbols>
|
||||
<avrgcccpp.compiler.directories.IncludePaths>
|
||||
<ListValues>
|
||||
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.compiler.directories.IncludePaths>
|
||||
<avrgcccpp.compiler.optimization.level>Optimize for size (-Os)</avrgcccpp.compiler.optimization.level>
|
||||
<avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>
|
||||
<avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
|
||||
<avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
|
||||
<avrgcccpp.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -Wextra -std=c++17</avrgcccpp.compiler.miscellaneous.OtherFlags>
|
||||
<avrgcccpp.linker.libraries.Libraries>
|
||||
<ListValues>
|
||||
<Value>libm</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.linker.libraries.Libraries>
|
||||
<avrgcccpp.assembler.general.IncludePaths>
|
||||
<ListValues>
|
||||
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.assembler.general.IncludePaths>
|
||||
</AvrGccCpp>
|
||||
</ToolchainSettings>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
|
||||
<ToolchainSettings>
|
||||
<AvrGccCpp>
|
||||
<avrgcc.common.Device>-mmcu=atmega328p</avrgcc.common.Device>
|
||||
<avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
|
||||
<avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
|
||||
<avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
|
||||
<avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
|
||||
<avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
|
||||
<avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
|
||||
<avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
|
||||
<avrgcc.compiler.symbols.DefSymbols>
|
||||
<ListValues>
|
||||
<Value>DEBUG</Value>
|
||||
</ListValues>
|
||||
</avrgcc.compiler.symbols.DefSymbols>
|
||||
<avrgcc.compiler.directories.IncludePaths>
|
||||
<ListValues>
|
||||
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
|
||||
</ListValues>
|
||||
</avrgcc.compiler.directories.IncludePaths>
|
||||
<avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
|
||||
<avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
|
||||
<avrgcc.compiler.optimization.DebugLevel>Maximum (-g3)</avrgcc.compiler.optimization.DebugLevel>
|
||||
<avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
|
||||
<avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
|
||||
<avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
|
||||
<avrgcc.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -std=c11</avrgcc.compiler.miscellaneous.OtherFlags>
|
||||
<avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>
|
||||
<avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>
|
||||
<avrgcccpp.compiler.symbols.DefSymbols>
|
||||
<ListValues>
|
||||
<Value>DEBUG</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.compiler.symbols.DefSymbols>
|
||||
<avrgcccpp.compiler.directories.IncludePaths>
|
||||
<ListValues>
|
||||
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.compiler.directories.IncludePaths>
|
||||
<avrgcccpp.compiler.optimization.level>Optimize debugging experience (-Og)</avrgcccpp.compiler.optimization.level>
|
||||
<avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>
|
||||
<avrgcccpp.compiler.optimization.DebugLevel>Maximum (-g3)</avrgcccpp.compiler.optimization.DebugLevel>
|
||||
<avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
|
||||
<avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
|
||||
<avrgcccpp.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -Wextra -std=c++17</avrgcccpp.compiler.miscellaneous.OtherFlags>
|
||||
<avrgcccpp.linker.libraries.Libraries>
|
||||
<ListValues>
|
||||
<Value>libm</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.linker.libraries.Libraries>
|
||||
<avrgcccpp.assembler.general.IncludePaths>
|
||||
<ListValues>
|
||||
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
|
||||
</ListValues>
|
||||
</avrgcccpp.assembler.general.IncludePaths>
|
||||
<avrgcccpp.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcccpp.assembler.debugging.DebugLevel>
|
||||
</AvrGccCpp>
|
||||
</ToolchainSettings>
|
||||
</PropertyGroup>
|
||||
<ItemGroup>
|
||||
<Compile Include="clock.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="ds3231\alarms.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="ds3231\ds3231.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="ds3231\flags.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="ds3231\registers.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="flash\flash.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="i2c\hardware.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="i2c\i2c.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="io\io.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="main.cpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="uart\config.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="uart\hardware.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="uart\hardware0.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="uart\hardware1.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="uart\software.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="uart\uart.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="util\func.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="util\type.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
<Compile Include="util\util.hpp">
|
||||
<SubType>compile</SubType>
|
||||
</Compile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<Folder Include="ds3231" />
|
||||
<Folder Include="io" />
|
||||
<Folder Include="flash" />
|
||||
<Folder Include="i2c" />
|
||||
<Folder Include="util" />
|
||||
<Folder Include="uart" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
|
||||
</Project>
|
||||
Submodule ds3231/flash deleted from 6edb2e5a21
Submodule ds3231/i2c deleted from 8af5afd00d
Submodule ds3231/io deleted from 80de36ee7e
188
ds3231/main.cpp
188
ds3231/main.cpp
@@ -1,188 +0,0 @@
|
||||
#include "clock.hpp"
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "ds3231/ds3231.hpp"
|
||||
#include "uart/uart.hpp"
|
||||
|
||||
using uart_t = uart::Uart0<>;
|
||||
|
||||
REGISTER_UART0_INT_VECTORS(uart_t);
|
||||
|
||||
static inline bool isEuDst(const rtc::DateTime &dateTime)
|
||||
{
|
||||
constexpr auto calcDstBegin = [](const auto &year) {
|
||||
const auto beginDay = (31 - ((((5 * year) / 4) + 4) % 7));
|
||||
return beginDay;
|
||||
};
|
||||
|
||||
constexpr auto calcDstEnd = [](const auto &year) {
|
||||
const auto endDay = (31 - ((((5 * year) / 4) + 1) % 7));
|
||||
return endDay;
|
||||
};
|
||||
|
||||
if (dateTime.month > 10 || dateTime.month < 3)
|
||||
return false;
|
||||
else if (dateTime.month > 3 && dateTime.month < 10)
|
||||
return true;
|
||||
else if (dateTime.month == 3) {
|
||||
if (dateTime.day > calcDstBegin(dateTime.year)) {
|
||||
return true;
|
||||
} else if (dateTime.day == calcDstBegin(dateTime.year) && dateTime.hour >= 1)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
// month == 10
|
||||
if (dateTime.day < calcDstEnd(dateTime.year)) {
|
||||
return true;
|
||||
} else if (dateTime.day == calcDstEnd(dateTime.year) && dateTime.hour < 1)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
inline uart_t &operator<<(uart_t &serial, const rtc::DateTime &dateTime)
|
||||
{
|
||||
serial.txNumber<uint16_t, 10, 4>(dateTime.year);
|
||||
serial << '-';
|
||||
serial.txNumber<uint8_t, 10, 2>(dateTime.month);
|
||||
serial << '-';
|
||||
serial.txNumber<uint8_t, 10, 2>(dateTime.day);
|
||||
serial << ' ';
|
||||
serial.txNumber<uint8_t, 10, 2>(dateTime.hour);
|
||||
serial << ':';
|
||||
serial.txNumber<uint8_t, 10, 2>(dateTime.minute);
|
||||
serial << ':';
|
||||
serial.txNumber<uint8_t, 10, 2>(dateTime.second);
|
||||
return serial;
|
||||
}
|
||||
|
||||
static inline void printLocalTime(const rtc::DateTime &dateTime)
|
||||
{
|
||||
const auto dst = isEuDst(dateTime);
|
||||
|
||||
uart_t serial;
|
||||
serial << dateTime << (dst ? F(" +2") : F(" +1")) << F("\r\n");
|
||||
}
|
||||
|
||||
static inline size_t receiveLine(char *buffer, const size_t maxLength)
|
||||
{
|
||||
uart_t serial;
|
||||
size_t received = 0;
|
||||
|
||||
while (received < maxLength) {
|
||||
if (serial.rxByte(*reinterpret_cast<uint8_t *>(&buffer[received]))) {
|
||||
++received;
|
||||
if (buffer[received - 1] == '\r' || buffer[received - 1] == '\n')
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return received;
|
||||
}
|
||||
|
||||
static inline rtc::DateTime receiveTime()
|
||||
{
|
||||
uart_t serial;
|
||||
|
||||
rtc::DateTime dateTime;
|
||||
constexpr auto BUF_LEN = 8;
|
||||
char receiveBuffer[BUF_LEN];
|
||||
|
||||
serial << F("Enter year: ");
|
||||
auto receivedLen = receiveLine(receiveBuffer, BUF_LEN);
|
||||
receiveBuffer[receivedLen] = '\0';
|
||||
dateTime.year = atoi(receiveBuffer);
|
||||
|
||||
serial << F("\r\nEnter month: ");
|
||||
receivedLen = receiveLine(receiveBuffer, BUF_LEN);
|
||||
receiveBuffer[receivedLen] = '\0';
|
||||
dateTime.month = atoi(receiveBuffer);
|
||||
|
||||
serial << F("\r\nEnter date: ");
|
||||
receivedLen = receiveLine(receiveBuffer, BUF_LEN);
|
||||
receiveBuffer[receivedLen] = '\0';
|
||||
dateTime.day = atoi(receiveBuffer);
|
||||
|
||||
serial << F("\r\nEnter hour: ");
|
||||
receivedLen = receiveLine(receiveBuffer, BUF_LEN);
|
||||
receiveBuffer[receivedLen] = '\0';
|
||||
dateTime.hour = atoi(receiveBuffer);
|
||||
|
||||
serial << F("\r\nEnter minute: ");
|
||||
receivedLen = receiveLine(receiveBuffer, BUF_LEN);
|
||||
receiveBuffer[receivedLen] = '\0';
|
||||
dateTime.minute = atoi(receiveBuffer);
|
||||
|
||||
serial << F("\r\nEnter second: ");
|
||||
receivedLen = receiveLine(receiveBuffer, BUF_LEN);
|
||||
receiveBuffer[receivedLen] = '\0';
|
||||
dateTime.second = atoi(receiveBuffer);
|
||||
serial << F("\r\n");
|
||||
|
||||
return dateTime;
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
uart_t serial;
|
||||
rtc::DS3231<i2c::Hardware<100'000>, false> ds3231;
|
||||
io::Pin<io::P::C3> rtcPwr;
|
||||
|
||||
rtcPwr = false;
|
||||
rtcPwr.dir(io::Dir::OUT);
|
||||
|
||||
rtcPwr = true;
|
||||
_delay_ms(1000);
|
||||
|
||||
ds3231.init();
|
||||
serial.init();
|
||||
|
||||
ds3231.clearAlarm1();
|
||||
ds3231.clearAlarm2();
|
||||
|
||||
rtc::DateTime alarmTime;
|
||||
alarmTime.second = 17;
|
||||
alarmTime.minute = 54;
|
||||
|
||||
ds3231.setAlarm1(alarmTime, rtc::Alarm1Rate::WHEN_S_MATCH);
|
||||
ds3231.setAlarm2(alarmTime, rtc::Alarm2Rate::WHEN_M_MATCH);
|
||||
|
||||
auto oldDate = ds3231.getDateTime();
|
||||
|
||||
while (true) {
|
||||
const auto date = ds3231.getDateTime();
|
||||
|
||||
if (oldDate != date) {
|
||||
oldDate = date;
|
||||
printLocalTime(date);
|
||||
}
|
||||
|
||||
if (ds3231.checkAlarm1()) {
|
||||
serial << F("Alarm1!\r\n");
|
||||
ds3231.clearAlarm1();
|
||||
}
|
||||
|
||||
if (ds3231.checkAlarm2()) {
|
||||
serial << F("Alarm2!\r\n");
|
||||
ds3231.clearAlarm2();
|
||||
}
|
||||
|
||||
uint8_t receivedByte;
|
||||
|
||||
if (serial.rxByte(receivedByte)) {
|
||||
if (receivedByte == 's') {
|
||||
const auto newDate = receiveTime();
|
||||
ds3231.setDateTime(newDate);
|
||||
} else if (receivedByte == '1') {
|
||||
const auto alarm = ds3231.getAlarm1();
|
||||
serial << F("Alarm1: ") << alarm << F("\r\n");
|
||||
} else if (receivedByte == '2') {
|
||||
const auto alarm = ds3231.getAlarm2();
|
||||
serial << F("Alarm2: ") << alarm << F("\r\n");
|
||||
} else
|
||||
serial << F("Invalid input: ") << static_cast<char>(receivedByte) << F("\r\n");
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Submodule ds3231/uart deleted from 119de32445
Submodule ds3231/util deleted from 81b3ae244c
617
rtc.cpp
Normal file
617
rtc.cpp
Normal file
@@ -0,0 +1,617 @@
|
||||
/*
|
||||
* DS RTC Library: DS1307 and DS3231 driver library
|
||||
* (C) 2011 Akafugu Corporation
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it under the
|
||||
* terms of the GNU General Public License as published by the Free Software
|
||||
* Foundation; either version 2 of the License, or (at your option) any later
|
||||
* version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* DS1307 register map
|
||||
*
|
||||
* 00h-06h: seconds, minutes, hours, day-of-week, date, month, year (all in BCD)
|
||||
* bit 7 of seconds enables/disables clock
|
||||
* bit 6 of hours toggles 12/24h mode (1 for 12h, 0 for 24h)
|
||||
* when 12h mode is selected bit 5 is high for PM, low for AM
|
||||
* 07h: control
|
||||
* bit7: OUT
|
||||
* bit6: 0
|
||||
* bit5: 0
|
||||
* bit4: SQWE
|
||||
* bit3: 0
|
||||
* bit2: 0
|
||||
* bit1: RS0
|
||||
* bit0: RS1
|
||||
* 08h-3fh: 56 bytes of SRAM
|
||||
*
|
||||
* DS3231 register map
|
||||
*
|
||||
* 00h-06h: seconds, minutes, hours, day-of-week, date, month, year (all in BCD)
|
||||
* bit 7 should be set to zero: The DS3231 clock is always running
|
||||
* 07h: A1M1 Alarm 1 seconds
|
||||
* 08h: A1M2 Alarm 1 minutes
|
||||
* 09h: A1M3 Alarm 1 hour (bit6 is am/pm flag in 12h mode)
|
||||
* 0ah: A1M4 Alarm 1 day/date (bit6: 1 for day, 0 for date)
|
||||
* 0bh: A2M2 Alarm 2 minutes
|
||||
* 0ch: A2M3 Alarm 2 hour (bit6 is am/pm flag in 12h mode)
|
||||
* 0dh: A2M4 Alarm 2 day/data (bit6: 1 for day, 0 for date)
|
||||
* <see data sheet page12 for Alarm register mask bit tables:
|
||||
* for alarm when hours, minutes and seconds match set 1000 for alarm 1>
|
||||
* 0eh: control
|
||||
* bit7: !EOSC
|
||||
* bit6: BBSQW
|
||||
* bit5: CONV
|
||||
* bit4: RS2
|
||||
* bit3: RS1
|
||||
* bit2: INTCN
|
||||
* bit1: A2IE
|
||||
* bit0: A1IE
|
||||
* 0fh: control/status
|
||||
* bit7: OSF
|
||||
* bit6: 0
|
||||
* bit5: 0
|
||||
* bit4: 0
|
||||
* bit3: EN32kHz
|
||||
* bit2: BSY
|
||||
* bit1: A2F alarm 2 flag
|
||||
* bit0: A1F alarm 1 flag
|
||||
* 10h: aging offset (signed)
|
||||
* 11h: MSB of temp (signed)
|
||||
* 12h: LSB of temp in bits 7 and 6 (0.25 degrees for each 00, 01, 10, 11)
|
||||
*
|
||||
*/
|
||||
|
||||
#include <avr/io.h>
|
||||
|
||||
#define TRUE 1
|
||||
#define FALSE 0
|
||||
|
||||
#include "../clock.hpp"
|
||||
|
||||
#include "../i2c/i2c.hpp"
|
||||
using i2c_t = i2c::I2c<i2c::Hardware<100'000>>;
|
||||
|
||||
#include "rtc.h"
|
||||
|
||||
#define RTC_ADDR 0x68 // I2C address
|
||||
#define CH_BIT 7 // clock halt bit
|
||||
|
||||
// statically allocated structure for time value
|
||||
struct rtc_tm _rtc_tm;
|
||||
|
||||
uint8_t dec2bcd(uint8_t d)
|
||||
{
|
||||
return ((d/10 * 16) + (d % 10));
|
||||
}
|
||||
|
||||
uint8_t bcd2dec(uint8_t b)
|
||||
{
|
||||
return ((b/16 * 10) + (b % 16));
|
||||
}
|
||||
|
||||
uint8_t rtc_read_byte(uint8_t offset)
|
||||
{
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(offset);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
const auto received = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
return received;
|
||||
}
|
||||
|
||||
void rtc_write_byte(uint8_t b, uint8_t offset)
|
||||
{
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(offset);
|
||||
i2c_t::write(b);
|
||||
i2c_t::stop();
|
||||
}
|
||||
|
||||
static bool s_is_ds1307 = false;
|
||||
static bool s_is_ds3231 = false;
|
||||
|
||||
void rtc_init(void)
|
||||
{
|
||||
i2c_t::init();
|
||||
|
||||
// Attempt autodetection:
|
||||
// 1) Read and save temperature register
|
||||
// 2) Write a value to temperature register
|
||||
// 3) Read back the value
|
||||
// equal to the one written: DS1307, write back saved value and return
|
||||
// different from written: DS3231
|
||||
|
||||
uint8_t temp1 = rtc_read_byte(0x11);
|
||||
uint8_t temp2 = rtc_read_byte(0x12);
|
||||
|
||||
rtc_write_byte(0xee, 0x11);
|
||||
rtc_write_byte(0xdd, 0x12);
|
||||
|
||||
if (rtc_read_byte(0x11) == 0xee && rtc_read_byte(0x12) == 0xdd) {
|
||||
s_is_ds1307 = true;
|
||||
// restore values
|
||||
rtc_write_byte(temp1, 0x11);
|
||||
rtc_write_byte(temp2, 0x12);
|
||||
}
|
||||
else {
|
||||
s_is_ds3231 = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Autodetection
|
||||
bool rtc_is_ds1307(void) { return s_is_ds1307; }
|
||||
bool rtc_is_ds3231(void) { return s_is_ds3231; }
|
||||
|
||||
// Autodetection override
|
||||
void rtc_set_ds1307(void) { s_is_ds1307 = true; s_is_ds3231 = false; }
|
||||
void rtc_set_ds3231(void) { s_is_ds1307 = false; s_is_ds3231 = true; }
|
||||
|
||||
struct rtc_tm* rtc_get_time(void)
|
||||
{
|
||||
uint8_t rtc[9];
|
||||
uint8_t century = 0;
|
||||
|
||||
// read 7 bytes starting from register 0
|
||||
// sec, min, hour, day-of-week, date, month, year
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
i2c_t::readBytes<7>(rtc);
|
||||
i2c_t::stop();
|
||||
|
||||
// Clear clock halt bit from read data
|
||||
// This starts the clock for a DS1307, and has no effect for a DS3231
|
||||
rtc[0] &= ~(_BV(CH_BIT)); // clear bit
|
||||
|
||||
_rtc_tm.sec = bcd2dec(rtc[0]);
|
||||
_rtc_tm.min = bcd2dec(rtc[1]);
|
||||
_rtc_tm.hour = bcd2dec(rtc[2]);
|
||||
_rtc_tm.mday = bcd2dec(rtc[4]);
|
||||
_rtc_tm.mon = bcd2dec(rtc[5] & 0x1F); // returns 1-12
|
||||
century = (rtc[5] & 0x80) >> 7;
|
||||
_rtc_tm.year = century == 1 ? 2000 + bcd2dec(rtc[6]) : 1900 + bcd2dec(rtc[6]); // year 0-99
|
||||
_rtc_tm.wday = bcd2dec(rtc[3]); // returns 1-7
|
||||
|
||||
if (_rtc_tm.hour == 0) {
|
||||
_rtc_tm.twelveHour = 0;
|
||||
_rtc_tm.am = 1;
|
||||
} else if (_rtc_tm.hour < 12) {
|
||||
_rtc_tm.twelveHour = _rtc_tm.hour;
|
||||
_rtc_tm.am = 1;
|
||||
} else {
|
||||
_rtc_tm.twelveHour = _rtc_tm.hour - 12;
|
||||
_rtc_tm.am = 0;
|
||||
}
|
||||
|
||||
return &_rtc_tm;
|
||||
}
|
||||
|
||||
void rtc_get_time_s(uint8_t* hour, uint8_t* min, uint8_t* sec)
|
||||
{
|
||||
uint8_t rtc[9];
|
||||
|
||||
// read 7 bytes starting from register 0
|
||||
// sec, min, hour, day-of-week, date, month, year
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
i2c_t::readBytes<7>(rtc);
|
||||
i2c_t::stop();
|
||||
|
||||
if (sec) *sec = bcd2dec(rtc[0]);
|
||||
if (min) *min = bcd2dec(rtc[1]);
|
||||
if (hour) *hour = bcd2dec(rtc[2]);
|
||||
}
|
||||
|
||||
// fixme: support 12-hour mode for setting time
|
||||
void rtc_set_time(struct rtc_tm* tm_)
|
||||
{
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0);
|
||||
|
||||
uint8_t century;
|
||||
if (tm_->year > 2000) {
|
||||
century = 0x80;
|
||||
tm_->year = tm_->year - 2000;
|
||||
} else {
|
||||
century = 0;
|
||||
tm_->year = tm_->year - 1900;
|
||||
}
|
||||
|
||||
// clock halt bit is 7th bit of seconds: this is always cleared to start the clock
|
||||
i2c_t::write(dec2bcd(tm_->sec)); // seconds
|
||||
i2c_t::write(dec2bcd(tm_->min)); // minutes
|
||||
i2c_t::write(dec2bcd(tm_->hour)); // hours
|
||||
i2c_t::write(dec2bcd(tm_->wday)); // day of week
|
||||
i2c_t::write(dec2bcd(tm_->mday)); // day
|
||||
i2c_t::write(dec2bcd(tm_->mon) + century); // month
|
||||
i2c_t::write(dec2bcd(tm_->year)); // year
|
||||
|
||||
i2c_t::stop();
|
||||
}
|
||||
|
||||
void rtc_set_time_s(uint8_t hour, uint8_t min, uint8_t sec)
|
||||
{
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0);
|
||||
|
||||
// clock halt bit is 7th bit of seconds: this is always cleared to start the clock
|
||||
i2c_t::write(dec2bcd(sec)); // seconds
|
||||
i2c_t::write(dec2bcd(min)); // minutes
|
||||
i2c_t::write(dec2bcd(hour)); // hours
|
||||
|
||||
i2c_t::stop();
|
||||
}
|
||||
|
||||
// DS1307 only (has no effect when run on DS3231)
|
||||
// halt/start the clock
|
||||
// 7th bit of register 0 (second register)
|
||||
// 0 = clock is running
|
||||
// 1 = clock is not running
|
||||
void rtc_run_clock(bool run)
|
||||
{
|
||||
if (s_is_ds3231) return;
|
||||
|
||||
uint8_t b = rtc_read_byte(0x0);
|
||||
|
||||
if (run)
|
||||
b &= ~(_BV(CH_BIT)); // clear bit
|
||||
else
|
||||
b |= _BV(CH_BIT); // set bit
|
||||
|
||||
rtc_write_byte(b, 0x0);
|
||||
}
|
||||
|
||||
// DS1307 only
|
||||
// Returns true if the clock is running, false otherwise
|
||||
// For DS3231, it always returns true
|
||||
bool rtc_is_clock_running(void)
|
||||
{
|
||||
if (s_is_ds3231) return true;
|
||||
|
||||
uint8_t b = rtc_read_byte(0x0);
|
||||
|
||||
if (b & _BV(CH_BIT)) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
void ds3231_get_temp_int(int8_t* i, uint8_t* f)
|
||||
{
|
||||
uint8_t msb, lsb;
|
||||
|
||||
*i = 0;
|
||||
*f = 0;
|
||||
|
||||
if (s_is_ds1307) return; // only valid on DS3231
|
||||
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
// temp registers 0x11 and 0x12
|
||||
i2c_t::write(0x11);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
msb = i2c_t::read(); // integer part (in twos complement)
|
||||
lsb = i2c_t::read<true>(); // fraction part
|
||||
|
||||
// integer part in entire byte
|
||||
*i = msb;
|
||||
// fractional part in top two bits (increments of 0.25)
|
||||
*f = (lsb >> 6) * 25;
|
||||
|
||||
// float value can be read like so:
|
||||
// float temp = ((((short)msb << 8) | (short)lsb) >> 6) / 4.0f;
|
||||
}
|
||||
|
||||
void rtc_force_temp_conversion(uint8_t block)
|
||||
{
|
||||
if (s_is_ds1307) return; // only valid on DS3231
|
||||
|
||||
// read control register (0x0E)
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
uint8_t ctrl = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
ctrl |= 0b00100000; // Set CONV bit
|
||||
|
||||
// write new control register value
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::write(ctrl);
|
||||
i2c_t::stop();
|
||||
|
||||
if (!block) return;
|
||||
|
||||
// Temp conversion is ready when control register becomes 0
|
||||
do {
|
||||
// Block until CONV is 0
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
// HACK: Missing stop after read, might still work though
|
||||
} while ((i2c_t::read<true>() & 0b00100000) != 0);
|
||||
}
|
||||
|
||||
|
||||
#define DS1307_SRAM_ADDR 0x08
|
||||
|
||||
// SRAM: 56 bytes from address 0x08 to 0x3f (DS1307-only)
|
||||
void rtc_get_sram(uint8_t* data)
|
||||
{
|
||||
// cannot receive 56 bytes in one go, because of the TWI library buffer limit
|
||||
// so just receive one at a time for simplicity
|
||||
for(int i=0;i<56;i++)
|
||||
data[i] = rtc_get_sram_byte(i);
|
||||
}
|
||||
|
||||
void rtc_set_sram(uint8_t *data)
|
||||
{
|
||||
// cannot send 56 bytes in one go, because of the TWI library buffer limit
|
||||
// so just send one at a time for simplicity
|
||||
for(int i=0;i<56;i++)
|
||||
rtc_set_sram_byte(data[i], i);
|
||||
}
|
||||
|
||||
uint8_t rtc_get_sram_byte(uint8_t offset)
|
||||
{
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(DS1307_SRAM_ADDR + offset);
|
||||
i2c_t::stop();
|
||||
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
const auto received = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
return received;
|
||||
}
|
||||
|
||||
void rtc_set_sram_byte(uint8_t b, uint8_t offset)
|
||||
{
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(DS1307_SRAM_ADDR + offset);
|
||||
i2c_t::write(b);
|
||||
i2c_t::stop();
|
||||
}
|
||||
|
||||
void rtc_SQW_enable(bool enable)
|
||||
{
|
||||
if (s_is_ds1307) {
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x07);
|
||||
i2c_t::stop();
|
||||
|
||||
// read control
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
uint8_t control = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
if (enable)
|
||||
control |= 0b00010000; // set SQWE to 1
|
||||
else
|
||||
control &= ~0b00010000; // set SQWE to 0
|
||||
|
||||
// write control back
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x07);
|
||||
i2c_t::write(control);
|
||||
i2c_t::stop();
|
||||
|
||||
}
|
||||
else { // DS3231
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::stop();
|
||||
|
||||
// read control
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
uint8_t control = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
if (enable) {
|
||||
control |= 0b01000000; // set BBSQW to 1
|
||||
control &= ~0b00000100; // set INTCN to 0
|
||||
}
|
||||
else {
|
||||
control &= ~0b01000000; // set BBSQW to 0
|
||||
}
|
||||
|
||||
// write control back
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::write(control);
|
||||
i2c_t::stop();
|
||||
}
|
||||
}
|
||||
|
||||
void rtc_SQW_set_freq(enum RTC_SQW_FREQ freq)
|
||||
{
|
||||
if (s_is_ds1307) {
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x07);
|
||||
i2c_t::stop();
|
||||
|
||||
// read control (uses bits 0 and 1)
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
uint8_t control = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
control &= ~0b00000011; // Set to 0
|
||||
control |= freq; // Set freq bitmask
|
||||
|
||||
// write control back
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x07);
|
||||
i2c_t::write(control);
|
||||
i2c_t::stop();
|
||||
|
||||
}
|
||||
else { // DS3231
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::stop();
|
||||
|
||||
// read control (uses bits 3 and 4)
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
uint8_t control = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
control &= ~0b00011000; // Set to 0
|
||||
control |= (freq << 4); // Set freq bitmask
|
||||
|
||||
// write control back
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0E);
|
||||
i2c_t::write(control);
|
||||
i2c_t::stop();
|
||||
}
|
||||
}
|
||||
|
||||
void rtc_osc32kHz_enable(bool enable)
|
||||
{
|
||||
if (!s_is_ds3231) return;
|
||||
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0F);
|
||||
i2c_t::stop();
|
||||
|
||||
// read status
|
||||
i2c_t::start<RTC_ADDR>(true);
|
||||
uint8_t status = i2c_t::read<true>();
|
||||
i2c_t::stop();
|
||||
|
||||
if (enable)
|
||||
status |= 0b00001000; // set to 1
|
||||
else
|
||||
status &= ~0b00001000; // Set to 0
|
||||
|
||||
// write status back
|
||||
i2c_t::start<RTC_ADDR>(false);
|
||||
i2c_t::write(0x0F);
|
||||
i2c_t::write(status);
|
||||
i2c_t::stop();
|
||||
}
|
||||
|
||||
// Alarm functionality
|
||||
// fixme: should decide if "alarm disabled" mode should be available, or if alarm should always be enabled
|
||||
// at 00:00:00. Currently, "alarm disabled" only works for ds3231
|
||||
void rtc_reset_alarm(void)
|
||||
{
|
||||
if (s_is_ds1307) {
|
||||
rtc_set_sram_byte(0, 0); // hour
|
||||
rtc_set_sram_byte(0, 1); // minute
|
||||
rtc_set_sram_byte(0, 2); // second
|
||||
}
|
||||
else {
|
||||
// writing 0 to bit 7 of all four alarm 1 registers disables alarm
|
||||
rtc_write_byte(0, 0x07); // second
|
||||
rtc_write_byte(0, 0x08); // minute
|
||||
rtc_write_byte(0, 0x09); // hour
|
||||
rtc_write_byte(0, 0x0a); // day
|
||||
}
|
||||
}
|
||||
|
||||
// fixme: add an option to set whether or not the INTCN and Interrupt Enable flag is set when setting the alarm
|
||||
void rtc_set_alarm_s(uint8_t hour, uint8_t min, uint8_t sec)
|
||||
{
|
||||
if (hour > 23) return;
|
||||
if (min > 59) return;
|
||||
if (sec > 59) return;
|
||||
|
||||
if (s_is_ds1307) {
|
||||
rtc_set_sram_byte(hour, 0); // hour
|
||||
rtc_set_sram_byte(min, 1); // minute
|
||||
rtc_set_sram_byte(sec, 2); // second
|
||||
}
|
||||
else {
|
||||
/*
|
||||
* 07h: A1M1:0 Alarm 1 seconds
|
||||
* 08h: A1M2:0 Alarm 1 minutes
|
||||
* 09h: A1M3:0 Alarm 1 hour (bit6 is am/pm flag in 12h mode)
|
||||
* 0ah: A1M4:1 Alarm 1 day/date (bit6: 1 for day, 0 for date)
|
||||
* Sets alarm to fire when hour, minute and second matches
|
||||
*/
|
||||
rtc_write_byte(dec2bcd(sec), 0x07); // second
|
||||
rtc_write_byte(dec2bcd(min), 0x08); // minute
|
||||
rtc_write_byte(dec2bcd(hour), 0x09); // hour
|
||||
rtc_write_byte(0b10000001, 0x0a); // day (upper bit must be set)
|
||||
|
||||
// clear alarm flag
|
||||
uint8_t val = rtc_read_byte(0x0f);
|
||||
rtc_write_byte(val & ~0b00000001, 0x0f);
|
||||
}
|
||||
}
|
||||
|
||||
void rtc_set_alarm(struct rtc_tm* tm_)
|
||||
{
|
||||
if (!tm_) return;
|
||||
rtc_set_alarm_s(tm_->hour, tm_->min, tm_->sec);
|
||||
}
|
||||
|
||||
void rtc_get_alarm_s(uint8_t* hour, uint8_t* min, uint8_t* sec)
|
||||
{
|
||||
if (s_is_ds1307) {
|
||||
if (hour) *hour = rtc_get_sram_byte(0);
|
||||
if (min) *min = rtc_get_sram_byte(1);
|
||||
if (sec) *sec = rtc_get_sram_byte(2);
|
||||
}
|
||||
else {
|
||||
*sec = bcd2dec(rtc_read_byte(0x07) & ~0b10000000);
|
||||
*min = bcd2dec(rtc_read_byte(0x08) & ~0b10000000);
|
||||
*hour = bcd2dec(rtc_read_byte(0x09) & ~0b10000000);
|
||||
}
|
||||
}
|
||||
|
||||
struct rtc_tm* rtc_get_alarm(void)
|
||||
{
|
||||
uint8_t hour, min, sec;
|
||||
|
||||
rtc_get_alarm_s(&hour, &min, &sec);
|
||||
_rtc_tm.hour = hour;
|
||||
_rtc_tm.min = min;
|
||||
_rtc_tm.sec = sec;
|
||||
return &_rtc_tm;
|
||||
}
|
||||
|
||||
bool rtc_check_alarm(void)
|
||||
{
|
||||
if (s_is_ds1307) {
|
||||
uint8_t hour = rtc_get_sram_byte(0);
|
||||
uint8_t min = rtc_get_sram_byte(1);
|
||||
uint8_t sec = rtc_get_sram_byte(2);
|
||||
|
||||
uint8_t cur_hour, cur_min, cur_sec;
|
||||
rtc_get_time_s(&cur_hour, &cur_min, &cur_sec);
|
||||
|
||||
if (cur_hour == hour && cur_min == min && cur_sec == sec)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
else {
|
||||
// Alarm 1 flag (A1F) in bit 0
|
||||
uint8_t val = rtc_read_byte(0x0f);
|
||||
|
||||
// clear flag when set
|
||||
if (val & 1)
|
||||
rtc_write_byte(val & ~0b00000001, 0x0f);
|
||||
|
||||
return val & 1 ? 1 : 0;
|
||||
}
|
||||
}
|
||||
106
rtc.h
Normal file
106
rtc.h
Normal file
@@ -0,0 +1,106 @@
|
||||
/*
|
||||
* DS RTC Library: DS1307 and DS3231 driver library
|
||||
* (C) 2011 Akafugu Corporation
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it under the
|
||||
* terms of the GNU General Public License as published by the Free Software
|
||||
* Foundation; either version 2 of the License, or (at your option) any later
|
||||
* version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef DS1307_H
|
||||
#define DS1307_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <avr/io.h>
|
||||
|
||||
#define DS1307_SLAVE_ADDR 0b11010000
|
||||
|
||||
/** Time structure
|
||||
*
|
||||
* Both 24-hour and 12-hour time is stored, and is always updated when rtc_get_time is called.
|
||||
*
|
||||
* When setting time and alarm, 24-hour mode is always used.
|
||||
*
|
||||
* If you run your clock in 12-hour mode:
|
||||
* - set time hour to store in twelveHour and set am to true or false.
|
||||
* - call rtc_12h_translate (this will put the correct value in hour, so you don't have to
|
||||
* calculate it yourself.
|
||||
* - call rtc_set_alarm or rtc_set_clock
|
||||
*
|
||||
* Note that rtc_set_clock_s, rtc_set_alarm_s, rtc_get_time_s, rtc_set_alarm_s always operate in 24-hour mode
|
||||
* and translation has to be done manually (you can call rtc_24h_to_12h to perform the calculation)
|
||||
*
|
||||
*/
|
||||
struct rtc_tm {
|
||||
int sec; // 0 to 59
|
||||
int min; // 0 to 59
|
||||
int hour; // 0 to 23
|
||||
int mday; // 1 to 31
|
||||
int mon; // 1 to 12
|
||||
int year; // year-99
|
||||
int wday; // 1-7
|
||||
|
||||
// 12-hour clock data
|
||||
bool am; // true for AM, false for PM
|
||||
int twelveHour; // 12 hour clock time
|
||||
};
|
||||
|
||||
// statically allocated
|
||||
extern struct rtc_tm _rtc_tm;
|
||||
|
||||
// Initialize the RTC and autodetect type (DS1307 or DS3231)
|
||||
void rtc_init(void);
|
||||
|
||||
// Autodetection
|
||||
bool rtc_is_ds1307(void);
|
||||
bool rtc_is_ds3231(void);
|
||||
|
||||
void rtc_set_ds1307(void);
|
||||
void rtc_set_ds3231(void);
|
||||
|
||||
// Get/set time
|
||||
// Gets the time: Supports both 24-hour and 12-hour mode
|
||||
struct rtc_tm* rtc_get_time(void);
|
||||
// Gets the time: 24-hour mode only
|
||||
void rtc_get_time_s(uint8_t* hour, uint8_t* min, uint8_t* sec);
|
||||
// Sets the time: Supports both 24-hour and 12-hour mode
|
||||
void rtc_set_time(struct rtc_tm* tm_);
|
||||
// Sets the time: Supports 12-hour mode only
|
||||
void rtc_set_time_s(uint8_t hour, uint8_t min, uint8_t sec);
|
||||
|
||||
// start/stop clock running (DS1307 only)
|
||||
void rtc_run_clock(bool run);
|
||||
bool rtc_is_clock_running(void);
|
||||
|
||||
// Read Temperature (DS3231 only)
|
||||
void ds3231_get_temp_int(int8_t* i, uint8_t* f);
|
||||
void rtc_force_temp_conversion(uint8_t block);
|
||||
|
||||
// SRAM read/write DS1307 only
|
||||
void rtc_get_sram(uint8_t* data);
|
||||
void rtc_set_sram(uint8_t *data);
|
||||
uint8_t rtc_get_sram_byte(uint8_t offset);
|
||||
void rtc_set_sram_byte(uint8_t b, uint8_t offset);
|
||||
|
||||
// Auxillary functions
|
||||
enum RTC_SQW_FREQ { FREQ_1 = 0, FREQ_1024, FREQ_4096, FREQ_8192 };
|
||||
|
||||
void rtc_SQW_enable(bool enable);
|
||||
void rtc_SQW_set_freq(enum RTC_SQW_FREQ freq);
|
||||
void rtc_osc32kHz_enable(bool enable);
|
||||
|
||||
// Alarm functionality
|
||||
void rtc_reset_alarm(void);
|
||||
void rtc_set_alarm(struct rtc_tm* tm_);
|
||||
void rtc_set_alarm_s(uint8_t hour, uint8_t min, uint8_t sec);
|
||||
struct rtc_tm* rtc_get_alarm(void);
|
||||
void rtc_get_alarm_s(uint8_t* hour, uint8_t* min, uint8_t* sec);
|
||||
bool rtc_check_alarm(void);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user